# MFS Aggressive Growth Allocation Fund — new fund registration

MFS SERIES TRUST X registered fund series on Form 485APOS, filed 2023-07-28. Featured series: MFS Aggressive Growth Allocation Fund.

## Registration

- Registrant / trust: MFS SERIES TRUST X
- CIK: 0000783740
- Form: 485APOS
- Filed: 2023-07-28
- State of incorporation: MA
- Accession: 0001104659-23-085110
- Reported net assets: $3.1B

## Series & classes (36)

_Showing 25 of 36 series/class rows._

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [MFS Aggressive Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002506) | A | MAAGX | — |
| [MFS Aggressive Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002506) | R4 | MAALX | — |
| [MFS Aggressive Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002506) | B | MBAGX | — |
| [MFS Aggressive Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002506) | C | MCAGX | — |
| [MFS Aggressive Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002506) | I | MIAGX | — |
| [MFS Aggressive Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002506) | R1 | MAAFX | — |
| [MFS Aggressive Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002506) | R2 | MAWAX | — |
| [MFS Aggressive Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002506) | R3 | MAAHX | — |
| [MFS Aggressive Growth Allocation Fund](https://search.stillhousedata.com/fund/S000002506) | R6 | AGGPX | — |
| [MFS Moderate Allocation Fund](https://search.stillhousedata.com/fund/S000002507) | A | MAMAX | — |
| [MFS Moderate Allocation Fund](https://search.stillhousedata.com/fund/S000002507) | R4 | MAMJX | — |
| [MFS Moderate Allocation Fund](https://search.stillhousedata.com/fund/S000002507) | B | MMABX | — |
| [MFS Moderate Allocation Fund](https://search.stillhousedata.com/fund/S000002507) | C | MMACX | — |
| [MFS Moderate Allocation Fund](https://search.stillhousedata.com/fund/S000002507) | I | MMAIX | — |
| [MFS Moderate Allocation Fund](https://search.stillhousedata.com/fund/S000002507) | R1 | MAMFX | — |
| [MFS Moderate Allocation Fund](https://search.stillhousedata.com/fund/S000002507) | R2 | MARRX | — |
| [MFS Moderate Allocation Fund](https://search.stillhousedata.com/fund/S000002507) | R3 | MAMHX | — |
| [MFS Moderate Allocation Fund](https://search.stillhousedata.com/fund/S000002507) | R6 | MAMPX | — |
| [MFS Conservative Allocation Fund](https://search.stillhousedata.com/fund/S000002510) | A | MACFX | — |
| [MFS Conservative Allocation Fund](https://search.stillhousedata.com/fund/S000002510) | R4 | MACJX | — |
| [MFS Conservative Allocation Fund](https://search.stillhousedata.com/fund/S000002510) | B | MACBX | — |
| [MFS Conservative Allocation Fund](https://search.stillhousedata.com/fund/S000002510) | C | MACVX | — |
| [MFS Conservative Allocation Fund](https://search.stillhousedata.com/fund/S000002510) | I | MACIX | — |
| [MFS Conservative Allocation Fund](https://search.stillhousedata.com/fund/S000002510) | R1 | MACKX | — |
| [MFS Conservative Allocation Fund](https://search.stillhousedata.com/fund/S000002510) | R2 | MCARX | — |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.25%
- Gross expense ratio: 1.00%
- Management fee: 0.00%
- Net expense ratio: 1.02%
- Other expenses: 0.13%

## Investment objective

The fund's investment objective is to seek a high level of total return consistent with an aggressive level of risk relative to the other MFS Asset Allocation Funds. (The MFS Asset Allocation Funds currently are MFS Conservative Allocation Fund, MFS Moderate Allocation Fund, MFS Growth Allocation Fund, and MFS Aggressive Growth Allocation Fund.)

## Advisers

- [Massachusetts Financial Services Company (Advisor)](https://search.stillhousedata.com/firm/110045)

## Other filings by this registrant (15)

- [485APOS — 2022-07-28](https://search.stillhousedata.com/launch/0001104659-22-083529)
- [485APOS — 2021-07-29](https://search.stillhousedata.com/launch/0001104659-21-097337)
- [485APOS — 2021-01-28](https://search.stillhousedata.com/launch/0001104659-21-008461)
- [485APOS — 2020-04-13 (8 new series)](https://search.stillhousedata.com/launch/0001104659-20-045737)
- [485APOS — 2016-07-28](https://search.stillhousedata.com/launch/0001104659-16-134873)
- [485APOS — 2016-06-03 (9 new series)](https://search.stillhousedata.com/launch/0001104659-16-125254)
- [485APOS — 2015-06-29 (27 new series)](https://search.stillhousedata.com/launch/0001104659-15-048296)
- [485APOS — 2015-01-27](https://search.stillhousedata.com/launch/0001104659-15-004623)
- [485APOS — 2014-04-11 (8 new series)](https://search.stillhousedata.com/launch/0001104659-14-027181)
- [485APOS — 2011-06-30 (8 new series)](https://search.stillhousedata.com/launch/0001104659-11-037277)
- [485APOS — 2011-01-10 (8 new series)](https://search.stillhousedata.com/launch/0001104659-11-000964)
- [485APOS — 2010-07-29](https://search.stillhousedata.com/launch/0001193125-10-170138)

## More

- [Registrant profile: MFS SERIES TRUST X](https://search.stillhousedata.com/registrant/783740)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001104659-23-085110.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
